diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index ac1c545436af..fbc1d215ca67 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1673,6 +1673,25 @@ bool intel_has_gpu_reset(struct drm_device *dev) return intel_get_gpu_reset(dev) != NULL; } +int intel_guc_reset(struct drm_i915_private *dev_priv) +{ + int ret; + unsigned long irqflags; + + if (!i915.enable_guc_submission) + return -EINVAL; + + intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); + spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); + + ret = gen6_hw_domain_reset(dev_priv, GEN9_GRDOM_GUC); + + spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); + intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); + + return ret; +} + bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv) { return check_for_unclaimed_mmio(dev_priv); |